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#define COBJMACROS
#include <stdarg.h>#include <libxml/parser.h>#include <libxml/xmlerror.h>#include <libxml/xpath.h>#include <libxml/xpathInternals.h>
#include "windef.h"#include "winbase.h"#include "winuser.h"#include "ole2.h"#include "msxml6.h"#include "msxml2did.h"
#include "msxml_private.h"
#include "wine/debug.h"
/* This file implements the object returned by a XPath query. Note that this is * not the IXMLDOMNodeList returned by childNodes - it's implemented in nodelist.c. * They are different because the list returned by XPath queries: * - is static - gives the results for the XML tree as it existed during the * execution of the query * - supports IXMLDOMSelection * */
WINE_DEFAULT_DEBUG_CHANNEL(msxml);
int registerNamespaces(xmlXPathContextPtr ctxt);xmlChar* XSLPattern_to_XPath(xmlXPathContextPtr ctxt, xmlChar const* xslpat_str);
typedef struct{ IEnumVARIANT IEnumVARIANT_iface; LONG ref;
IUnknown *outer; BOOL own;
LONG pos;
const struct enumvariant_funcs *funcs;} enumvariant;
typedef struct{ DispatchEx dispex; IXMLDOMSelection IXMLDOMSelection_iface; LONG ref; xmlNodePtr node; xmlXPathObjectPtr result; int resultPos; IEnumVARIANT *enumvariant;} domselection;
static HRESULT selection_get_item(IUnknown *iface, LONG index, VARIANT* item){ V_VT(item) = VT_DISPATCH; return IXMLDOMSelection_get_item((IXMLDOMSelection*)iface, index, (IXMLDOMNode**)&V_DISPATCH(item));}
static HRESULT selection_next(IUnknown *iface){ IXMLDOMNode *node; HRESULT hr = IXMLDOMSelection_nextNode((IXMLDOMSelection*)iface, &node); if (hr == S_OK) IXMLDOMNode_Release(node); return hr;}
static const struct enumvariant_funcs selection_enumvariant = { selection_get_item, selection_next};
static inline domselection *impl_from_IXMLDOMSelection( IXMLDOMSelection *iface ){ return CONTAINING_RECORD(iface, domselection, IXMLDOMSelection_iface);}
static inline enumvariant *impl_from_IEnumVARIANT( IEnumVARIANT *iface ){ return CONTAINING_RECORD(iface, enumvariant, IEnumVARIANT_iface);}
static HRESULT WINAPI domselection_QueryInterface( IXMLDOMSelection *iface, REFIID riid, void** ppvObject ){ domselection *This = impl_from_IXMLDOMSelection( iface );
TRACE("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppvObject);
if(!ppvObject) return E_INVALIDARG;
if ( IsEqualGUID( riid, &IID_IUnknown ) || IsEqualGUID( riid, &IID_IXMLDOMNodeList ) || IsEqualGUID( riid, &IID_IXMLDOMSelection )) { *ppvObject = &This->IXMLDOMSelection_iface; } else if (IsEqualGUID( riid, &IID_IEnumVARIANT )) { if (!This->enumvariant) { HRESULT hr = create_enumvariant((IUnknown*)iface, FALSE, &selection_enumvariant, &This->enumvariant); if (FAILED(hr)) return hr; }
return IEnumVARIANT_QueryInterface(This->enumvariant, &IID_IEnumVARIANT, ppvObject); } else if (dispex_query_interface(&This->dispex, riid, ppvObject)) { return *ppvObject ? S_OK : E_NOINTERFACE; } else { TRACE("interface %s not implemented\n", debugstr_guid(riid)); *ppvObject = NULL; return E_NOINTERFACE; }
IXMLDOMSelection_AddRef( iface );
return S_OK;}
static ULONG WINAPI domselection_AddRef( IXMLDOMSelection *iface ){ domselection *This = impl_from_IXMLDOMSelection( iface ); ULONG ref = InterlockedIncrement( &This->ref ); TRACE("%p, refcount %lu.\n", iface, ref); return ref;}
static ULONG WINAPI domselection_Release( IXMLDOMSelection *iface ){ domselection *This = impl_from_IXMLDOMSelection( iface ); ULONG ref = InterlockedDecrement(&This->ref);
TRACE("%p, refcount %lu.\n", iface, ref); if ( ref == 0 ) { xmlXPathFreeObject(This->result); xmldoc_release(This->node->doc); if (This->enumvariant) IEnumVARIANT_Release(This->enumvariant); free(This); }
return ref;}
static HRESULT WINAPI domselection_GetTypeInfoCount( IXMLDOMSelection *iface, UINT* pctinfo ){ domselection *This = impl_from_IXMLDOMSelection( iface ); return IDispatchEx_GetTypeInfoCount(&This->dispex.IDispatchEx_iface, pctinfo);}
static HRESULT WINAPI domselection_GetTypeInfo( IXMLDOMSelection *iface, UINT iTInfo, LCID lcid, ITypeInfo** ppTInfo ){ domselection *This = impl_from_IXMLDOMSelection( iface ); return IDispatchEx_GetTypeInfo(&This->dispex.IDispatchEx_iface, iTInfo, lcid, ppTInfo);}
static HRESULT WINAPI domselection_GetIDsOfNames( IXMLDOMSelection *iface, REFIID riid, LPOLESTR* rgszNames, UINT cNames, LCID lcid, DISPID* rgDispId ){ domselection *This = impl_from_IXMLDOMSelection( iface ); return IDispatchEx_GetIDsOfNames(&This->dispex.IDispatchEx_iface, riid, rgszNames, cNames, lcid, rgDispId);}
static HRESULT WINAPI domselection_Invoke( IXMLDOMSelection *iface, DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS* pDispParams, VARIANT* pVarResult, EXCEPINFO* pExcepInfo, UINT* puArgErr ){ domselection *This = impl_from_IXMLDOMSelection( iface ); return IDispatchEx_Invoke(&This->dispex.IDispatchEx_iface, dispIdMember, riid, lcid, wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);}
static HRESULT WINAPI domselection_get_item( IXMLDOMSelection* iface, LONG index, IXMLDOMNode** listItem){ domselection *This = impl_from_IXMLDOMSelection( iface );
TRACE("%p, %ld, %p.\n", iface, index, listItem);
if(!listItem) return E_INVALIDARG;
*listItem = NULL;
if (index < 0 || index >= xmlXPathNodeSetGetLength(This->result->nodesetval)) return S_FALSE;
*listItem = create_node(xmlXPathNodeSetItem(This->result->nodesetval, index)); This->resultPos = index + 1;
return S_OK;}
static HRESULT WINAPI domselection_get_length( IXMLDOMSelection* iface, LONG* listLength){ domselection *This = impl_from_IXMLDOMSelection( iface );
TRACE("(%p)->(%p)\n", This, listLength);
if(!listLength) return E_INVALIDARG;
*listLength = xmlXPathNodeSetGetLength(This->result->nodesetval); return S_OK;}
static HRESULT WINAPI domselection_nextNode( IXMLDOMSelection* iface, IXMLDOMNode** nextItem){ domselection *This = impl_from_IXMLDOMSelection( iface );
TRACE("(%p)->(%p)\n", This, nextItem );
if(!nextItem) return E_INVALIDARG;
*nextItem = NULL;
if (This->resultPos >= xmlXPathNodeSetGetLength(This->result->nodesetval)) return S_FALSE;
*nextItem = create_node(xmlXPathNodeSetItem(This->result->nodesetval, This->resultPos)); This->resultPos++; return S_OK;}
static HRESULT WINAPI domselection_reset( IXMLDOMSelection* iface){ domselection *This = impl_from_IXMLDOMSelection( iface );
TRACE("%p\n", This); This->resultPos = 0; return S_OK;}
static HRESULT WINAPI domselection_get__newEnum( IXMLDOMSelection* iface, IUnknown** enumv){ domselection *This = impl_from_IXMLDOMSelection( iface );
TRACE("(%p)->(%p)\n", This, enumv);
return create_enumvariant((IUnknown*)iface, TRUE, &selection_enumvariant, (IEnumVARIANT**)enumv);}
static HRESULT WINAPI domselection_get_expr( IXMLDOMSelection* iface, BSTR *p){ domselection *This = impl_from_IXMLDOMSelection( iface ); FIXME("(%p)->(%p)\n", This, p); return E_NOTIMPL;}
static HRESULT WINAPI domselection_put_expr( IXMLDOMSelection* iface, BSTR p){ domselection *This = impl_from_IXMLDOMSelection( iface ); FIXME("(%p)->(%s)\n", This, debugstr_w(p)); return E_NOTIMPL;}
static HRESULT WINAPI domselection_get_context( IXMLDOMSelection* iface, IXMLDOMNode **node){ domselection *This = impl_from_IXMLDOMSelection( iface ); FIXME("(%p)->(%p)\n", This, node); return E_NOTIMPL;}
static HRESULT WINAPI domselection_putref_context( IXMLDOMSelection* iface, IXMLDOMNode *node){ domselection *This = impl_from_IXMLDOMSelection( iface ); FIXME("(%p)->(%p)\n", This, node); return E_NOTIMPL;}
static HRESULT WINAPI domselection_peekNode( IXMLDOMSelection* iface, IXMLDOMNode **node){ domselection *This = impl_from_IXMLDOMSelection( iface ); FIXME("(%p)->(%p)\n", This, node); return E_NOTIMPL;}
static HRESULT WINAPI domselection_matches( IXMLDOMSelection* iface, IXMLDOMNode *node, IXMLDOMNode **out_node){ domselection *This = impl_from_IXMLDOMSelection( iface ); FIXME("(%p)->(%p %p)\n", This, node, out_node); return E_NOTIMPL;}
static HRESULT WINAPI domselection_removeNext( IXMLDOMSelection* iface, IXMLDOMNode **node){ domselection *This = impl_from_IXMLDOMSelection( iface ); FIXME("(%p)->(%p)\n", This, node); return E_NOTIMPL;}
static HRESULT WINAPI domselection_removeAll( IXMLDOMSelection* iface){ domselection *This = impl_from_IXMLDOMSelection( iface ); FIXME("(%p)\n", This); return E_NOTIMPL;}
static HRESULT WINAPI domselection_clone( IXMLDOMSelection* iface, IXMLDOMSelection **node){ domselection *This = impl_from_IXMLDOMSelection( iface ); FIXME("(%p)->(%p)\n", This, node); return E_NOTIMPL;}
static HRESULT WINAPI domselection_getProperty( IXMLDOMSelection* iface, BSTR p, VARIANT *var){ domselection *This = impl_from_IXMLDOMSelection( iface ); FIXME("(%p)->(%s %p)\n", This, debugstr_w(p), var); return E_NOTIMPL;}
static HRESULT WINAPI domselection_setProperty( IXMLDOMSelection* iface, BSTR p, VARIANT var){ domselection *This = impl_from_IXMLDOMSelection( iface ); FIXME("(%p)->(%s %s)\n", This, debugstr_w(p), debugstr_variant(&var)); return E_NOTIMPL;}
static const struct IXMLDOMSelectionVtbl domselection_vtbl ={ domselection_QueryInterface, domselection_AddRef, domselection_Release, domselection_GetTypeInfoCount, domselection_GetTypeInfo, domselection_GetIDsOfNames, domselection_Invoke, domselection_get_item, domselection_get_length, domselection_nextNode, domselection_reset, domselection_get__newEnum, domselection_get_expr, domselection_put_expr, domselection_get_context, domselection_putref_context, domselection_peekNode, domselection_matches, domselection_removeNext, domselection_removeAll, domselection_clone, domselection_getProperty, domselection_setProperty};
/* IEnumVARIANT support */static HRESULT WINAPI enumvariant_QueryInterface( IEnumVARIANT *iface, REFIID riid, void** ppvObject ){ enumvariant *This = impl_from_IEnumVARIANT( iface );
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppvObject);
*ppvObject = NULL;
if (IsEqualGUID( riid, &IID_IUnknown )) { if (This->own) *ppvObject = &This->IEnumVARIANT_iface; else return IUnknown_QueryInterface(This->outer, riid, ppvObject); } else if (IsEqualGUID( riid, &IID_IEnumVARIANT )) { *ppvObject = &This->IEnumVARIANT_iface; } else return IUnknown_QueryInterface(This->outer, riid, ppvObject);
IEnumVARIANT_AddRef( iface );
return S_OK;}
static ULONG WINAPI enumvariant_AddRef(IEnumVARIANT *iface ){ enumvariant *This = impl_from_IEnumVARIANT( iface ); ULONG ref = InterlockedIncrement( &This->ref ); TRACE("%p, refcount %lu.\n", iface, ref); return ref;}
static ULONG WINAPI enumvariant_Release(IEnumVARIANT *iface ){ enumvariant *This = impl_from_IEnumVARIANT( iface ); ULONG ref = InterlockedDecrement(&This->ref);
TRACE("%p, refcount %lu.\n", iface, ref); if ( ref == 0 ) { if (This->own) IUnknown_Release(This->outer); free(This); }
return ref;}
static HRESULT WINAPI enumvariant_Next( IEnumVARIANT *iface, ULONG celt, VARIANT *var, ULONG *fetched){ enumvariant *This = impl_from_IEnumVARIANT( iface ); ULONG ret_count = 0;
TRACE("%p, %lu, %p, %p.\n", iface, celt, var, fetched);
if (fetched) *fetched = 0;
if (celt && !var) return E_INVALIDARG;
for (; celt > 0; celt--, var++, This->pos++) { HRESULT hr = This->funcs->get_item(This->outer, This->pos, var); if (hr != S_OK) { V_VT(var) = VT_EMPTY; break; } ret_count++; }
if (fetched) *fetched = ret_count;
/* we need to advance one step more for some reason */ if (ret_count) { if (This->funcs->next) This->funcs->next(This->outer); }
return celt == 0 ? S_OK : S_FALSE;}
static HRESULT WINAPI enumvariant_Skip( IEnumVARIANT *iface, ULONG celt){ FIXME("%p, %lu: stub\n", iface, celt);
return E_NOTIMPL;}
static HRESULT WINAPI enumvariant_Reset(IEnumVARIANT *iface){ enumvariant *This = impl_from_IEnumVARIANT( iface );
TRACE("%p\n", This); This->pos = 0; return S_OK;}
static HRESULT WINAPI enumvariant_Clone( IEnumVARIANT *iface, IEnumVARIANT **ppenum){ enumvariant *This = impl_from_IEnumVARIANT( iface ); FIXME("(%p)->(%p): stub\n", This, ppenum); return E_NOTIMPL;}
static const struct IEnumVARIANTVtbl EnumVARIANTVtbl ={ enumvariant_QueryInterface, enumvariant_AddRef, enumvariant_Release, enumvariant_Next, enumvariant_Skip, enumvariant_Reset, enumvariant_Clone};
HRESULT create_enumvariant(IUnknown *outer, BOOL own, const struct enumvariant_funcs *funcs, IEnumVARIANT **penum){ enumvariant *This;
This = malloc(sizeof(enumvariant)); if (!This) return E_OUTOFMEMORY;
This->IEnumVARIANT_iface.lpVtbl = &EnumVARIANTVtbl; This->ref = 0; This->outer = outer; This->own = own; This->pos = 0; This->funcs = funcs;
if (This->own) IUnknown_AddRef(This->outer);
*penum = &This->IEnumVARIANT_iface; IEnumVARIANT_AddRef(*penum); return S_OK;}
static HRESULT domselection_get_dispid(IUnknown *iface, BSTR name, DWORD flags, DISPID *dispid){ WCHAR *ptr; int idx = 0;
for(ptr = name; *ptr >= '0' && *ptr <= '9'; ptr++) idx = idx*10 + (*ptr-'0'); if(*ptr) return DISP_E_UNKNOWNNAME;
*dispid = DISPID_DOM_COLLECTION_BASE + idx; TRACE("ret %lx\n", *dispid); return S_OK;}
static HRESULT domselection_invoke(IUnknown *iface, DISPID id, LCID lcid, WORD flags, DISPPARAMS *params, VARIANT *res, EXCEPINFO *ei){ domselection *This = impl_from_IXMLDOMSelection( (IXMLDOMSelection*)iface );
TRACE("%p, %ld, %lx, %x, %p, %p, %p.\n", iface, id, lcid, flags, params, res, ei);
V_VT(res) = VT_DISPATCH; V_DISPATCH(res) = NULL;
if (id < DISPID_DOM_COLLECTION_BASE || id > DISPID_DOM_COLLECTION_MAX) return DISP_E_UNKNOWNNAME;
switch(flags) { case INVOKE_PROPERTYGET: { IXMLDOMNode *disp = NULL;
IXMLDOMSelection_get_item(&This->IXMLDOMSelection_iface, id - DISPID_DOM_COLLECTION_BASE, &disp); V_DISPATCH(res) = (IDispatch*)disp; break; } default: { FIXME("unimplemented flags %x\n", flags); break; } }
TRACE("ret %p\n", V_DISPATCH(res));
return S_OK;}
static const dispex_static_data_vtbl_t domselection_dispex_vtbl = { domselection_get_dispid, domselection_invoke};
static const tid_t domselection_iface_tids[] = { IXMLDOMSelection_tid, 0};static dispex_static_data_t domselection_dispex = { &domselection_dispex_vtbl, IXMLDOMSelection_tid, NULL, domselection_iface_tids};
#define XSLPATTERN_CHECK_ARGS(n) \ if (nargs != n) { \ FIXME("XSLPattern syntax error: Expected %i arguments, got %i\n", n, nargs); \ xmlXPathSetArityError(pctx); \ return; \ }
static void XSLPattern_index(xmlXPathParserContextPtr pctx, int nargs){ XSLPATTERN_CHECK_ARGS(0);
xmlXPathPositionFunction(pctx, 0); xmlXPathReturnNumber(pctx, xmlXPathPopNumber(pctx) - 1.0);}
static void XSLPattern_end(xmlXPathParserContextPtr pctx, int nargs){ double pos, last; XSLPATTERN_CHECK_ARGS(0);
xmlXPathPositionFunction(pctx, 0); pos = xmlXPathPopNumber(pctx); xmlXPathLastFunction(pctx, 0); last = xmlXPathPopNumber(pctx); xmlXPathReturnBoolean(pctx, pos == last);}
static void XSLPattern_nodeType(xmlXPathParserContextPtr pctx, int nargs){ XSLPATTERN_CHECK_ARGS(0); xmlXPathReturnNumber(pctx, pctx->context->node->type);}
static void XSLPattern_OP_IEq(xmlXPathParserContextPtr pctx, int nargs){ xmlChar *arg1, *arg2; XSLPATTERN_CHECK_ARGS(2);
arg2 = xmlXPathPopString(pctx); arg1 = xmlXPathPopString(pctx); xmlXPathReturnBoolean(pctx, xmlStrcasecmp(arg1, arg2) == 0); xmlFree(arg1); xmlFree(arg2);}
static void XSLPattern_OP_INEq(xmlXPathParserContextPtr pctx, int nargs){ xmlChar *arg1, *arg2; XSLPATTERN_CHECK_ARGS(2);
arg2 = xmlXPathPopString(pctx); arg1 = xmlXPathPopString(pctx); xmlXPathReturnBoolean(pctx, xmlStrcasecmp(arg1, arg2) != 0); xmlFree(arg1); xmlFree(arg2);}
static void XSLPattern_OP_ILt(xmlXPathParserContextPtr pctx, int nargs){ xmlChar *arg1, *arg2; XSLPATTERN_CHECK_ARGS(2);
arg2 = xmlXPathPopString(pctx); arg1 = xmlXPathPopString(pctx); xmlXPathReturnBoolean(pctx, xmlStrcasecmp(arg1, arg2) < 0); xmlFree(arg1); xmlFree(arg2);}
static void XSLPattern_OP_ILEq(xmlXPathParserContextPtr pctx, int nargs){ xmlChar *arg1, *arg2; XSLPATTERN_CHECK_ARGS(2);
arg2 = xmlXPathPopString(pctx); arg1 = xmlXPathPopString(pctx); xmlXPathReturnBoolean(pctx, xmlStrcasecmp(arg1, arg2) <= 0); xmlFree(arg1); xmlFree(arg2);}
static void XSLPattern_OP_IGt(xmlXPathParserContextPtr pctx, int nargs){ xmlChar *arg1, *arg2; XSLPATTERN_CHECK_ARGS(2);
arg2 = xmlXPathPopString(pctx); arg1 = xmlXPathPopString(pctx); xmlXPathReturnBoolean(pctx, xmlStrcasecmp(arg1, arg2) > 0); xmlFree(arg1); xmlFree(arg2);}
static void XSLPattern_OP_IGEq(xmlXPathParserContextPtr pctx, int nargs){ xmlChar *arg1, *arg2; XSLPATTERN_CHECK_ARGS(2);
arg2 = xmlXPathPopString(pctx); arg1 = xmlXPathPopString(pctx); xmlXPathReturnBoolean(pctx, xmlStrcasecmp(arg1, arg2) >= 0); xmlFree(arg1); xmlFree(arg2);}
static void query_serror(void* ctx, const xmlError* err){ LIBXML2_CALLBACK_SERROR(domselection_create, err);}
HRESULT create_selection(xmlNodePtr node, xmlChar* query, IXMLDOMNodeList **out){ domselection *This = malloc(sizeof(domselection)); xmlXPathContextPtr ctxt = xmlXPathNewContext(node->doc); HRESULT hr;
TRACE("(%p, %s, %p)\n", node, debugstr_a((char const*)query), out);
*out = NULL; if (!This || !ctxt || !query) { xmlXPathFreeContext(ctxt); free(This); return E_OUTOFMEMORY; }
This->IXMLDOMSelection_iface.lpVtbl = &domselection_vtbl; This->ref = 1; This->resultPos = 0; This->node = node; This->enumvariant = NULL; init_dispex(&This->dispex, (IUnknown*)&This->IXMLDOMSelection_iface, &domselection_dispex); xmldoc_add_ref(This->node->doc);
ctxt->error = query_serror; ctxt->node = node; registerNamespaces(ctxt); xmlXPathContextSetCache(ctxt, 1, -1, 0);
if (is_xpathmode(This->node->doc)) { xmlXPathRegisterAllFunctions(ctxt); This->result = xmlXPathEvalExpression(query, ctxt); } else { xmlChar* pattern_query = XSLPattern_to_XPath(ctxt, query);
xmlXPathRegisterFunc(ctxt, (xmlChar const*)"not", xmlXPathNotFunction); xmlXPathRegisterFunc(ctxt, (xmlChar const*)"boolean", xmlXPathBooleanFunction);
xmlXPathRegisterFunc(ctxt, (xmlChar const*)"index", XSLPattern_index); xmlXPathRegisterFunc(ctxt, (xmlChar const*)"end", XSLPattern_end); xmlXPathRegisterFunc(ctxt, (xmlChar const*)"nodeType", XSLPattern_nodeType);
xmlXPathRegisterFunc(ctxt, (xmlChar const*)"OP_IEq", XSLPattern_OP_IEq); xmlXPathRegisterFunc(ctxt, (xmlChar const*)"OP_INEq", XSLPattern_OP_INEq); xmlXPathRegisterFunc(ctxt, (xmlChar const*)"OP_ILt", XSLPattern_OP_ILt); xmlXPathRegisterFunc(ctxt, (xmlChar const*)"OP_ILEq", XSLPattern_OP_ILEq); xmlXPathRegisterFunc(ctxt, (xmlChar const*)"OP_IGt", XSLPattern_OP_IGt); xmlXPathRegisterFunc(ctxt, (xmlChar const*)"OP_IGEq", XSLPattern_OP_IGEq);
This->result = xmlXPathEvalExpression(pattern_query, ctxt); xmlFree(pattern_query); }
if (!This->result || This->result->type != XPATH_NODESET) { hr = E_FAIL; goto cleanup; }
*out = (IXMLDOMNodeList*)&This->IXMLDOMSelection_iface; hr = S_OK; TRACE("found %d matches\n", xmlXPathNodeSetGetLength(This->result->nodesetval));
cleanup: if (FAILED(hr)) IXMLDOMSelection_Release( &This->IXMLDOMSelection_iface ); xmlXPathFreeContext(ctxt); return hr;}